#  test on ubuntu 20.04

# Register the server's public key:

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-key F6E65AC044F831AC80A06380C8B3A55A6F3EFCDE || sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-key F6E65AC044F831AC80A06380C8B3A55A6F3EFCDE

# Add the server to the list of repositories:
sudo add-apt-repository "deb https://librealsense.intel.com/Debian/apt-repo $(lsb_release -cs) main" -u

# Install the libraries (see section below if upgrading packages):
sudo apt-get install librealsense2-dkms librealsense2-utils librealsense2-dev librealsense2-dbg

# verify 
modinfo uvcvideo | grep "version:"